SimTech Networking and Automation is a software developer for Windows.
It is reported that the following Windows processes are part of tftpd service for Windows NT/2000/XP/7:
If you want to remove tftpd service for Windows NT/2000/XP/7 from your computer, just go to Start > Control Panel > Add/Remove programs and select tftpd service for Windows NT/2000/XP/7 from the list of programs.